Home / 10,272.91-15,335.05-9,027.35

Finding the Fourth Proportional to 10,272.91, 15,335.05 and 9,027.35

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Solution

The fourth proportional to 10,272.91, 15,335.05 and 9,027.35 is: 13,475.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,272.91 : 15,335.05 = 9,027.35 : x
  2. Step 2: Convert to fraction form
    10,272.91/15,335.05 = 9,027.35/x
  3. Step 3: Cross multiply
    10,272.91x = 15,335.05 × 9,027.35
  4. Step 4: Simplify right side
    10,272.91x = 138,434,863.62
  5. Step 5: Solve for x
    x = 138,434,863.62/10,272.91
  6. Step 6: Final answer
    x = 13,475.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.